CN105470387A - 量子点发光器件及其制备方法及液晶显示装置 - Google Patents

量子点发光器件及其制备方法及液晶显示装置 Download PDF

Info

Publication number
CN105470387A
CN105470387A CN201610048567.5A CN201610048567A CN105470387A CN 105470387 A CN105470387 A CN 105470387A CN 201610048567 A CN201610048567 A CN 201610048567A CN 105470387 A CN105470387 A CN 105470387A
Authority
CN
China
Prior art keywords
quantum dot
dot light
light emitting
hole
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610048567.5A
Other languages
English (en)
Inventor
徐超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to CN201610048567.5A priority Critical patent/CN105470387A/zh
Priority to PCT/CN2016/074065 priority patent/WO2017128457A1/zh
Priority to US15/033,623 priority patent/US10050220B2/en
Publication of CN105470387A publication Critical patent/CN105470387A/zh
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H10K50/115OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02518Deposited layers
    • H01L21/02587Structure
    • H01L21/0259Microstructure
    • H01L21/02601Nanoparticles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/0248Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
    • H01L31/0352Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
    • H01L31/035209Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions comprising a quantum structures
    • H01L31/035218Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions comprising a quantum structures the quantum structure being quantum dots
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/04Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction
    • H01L33/06Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14Carrier transporting layers
    • H10K50/16Electron transporting layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/17Carrier injection layers
    • H10K50/171Electron injection layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/10Organic polymers or oligomers
    • H10K85/111Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N99/00Subject matter not provided for in other groups of this subclass
    • H10N99/05Devices based on quantum mechanical effects, e.g. quantum interference devices or metal single-electron transistors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00Materials and properties
    • G02F2202/36Micro- or nanomaterials

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nanotechnology (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Electromagnetism (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

本发明提供一种量子点发光器件及其制备方法及液晶显示装置。量子点发光器件包括基板、阳极、空穴注入和空穴传输层、量子点发光层、电子注入和电子传输层及阴极,阳极设置在基板上,阳极与阴极设置在基板的同侧,且相对且间隔设置,空穴注入和空穴传输层、量子点发光层及电子注入和电子传输层依次夹设在阳极和阴极之间,空穴注入和空穴传输层的一面与阳极相连,阳极提供空穴,阴极提供电子,空穴注入和空穴传输层将空穴传输至量子点发光层,电子注入和电子传输层将电子传输至量子点发光层,空穴和电子在量子点发光层中复合以发光,其中,电子注入和电子传输层包括水醇溶性共轭聚合物。

Description

量子点发光器件及其制备方法及液晶显示装置
技术领域
本发明涉及显示领域,尤其涉及一种量子点发光器件及其制备方法及液晶显示装置。
背景技术
量子点发光器件,比如,量子点发光二极管(QuantumdotLightEmittingDiode,QLED)因具有色域广、色纯度高、稳定性好、低功耗、低成本等优点被誉为继有机发光器件之后的新一代照明器件。量子点发光二极管包括量子点发光层、空穴传输层及电子传输层。所述电子传输层、所述量子点发光层及所述空穴传输层依次层叠设置。所述电子传输层、所述量子点发光层及所述空穴传输层通常将相应的材料溶解在有机溶剂中,再通过旋涂的方式湿法单独成膜。即,所述电子传输层、所述量子点发光层及所述空穴传输层分为三层来制备。通常,先制备出一层,再接着制备另一层。由于成膜的时候会用到有机溶剂,因此,在量子点发光二极管制备过程中,正在制作的膜层会对已经制作好的相邻的膜层造成破坏,从而造成量子点发光二极管发光效率的降低及制备成功率的降低。
发明内容
本发明提供一种量子点发光器件,所述量子点发光器件包括基板、阳极、空穴注入和空穴传输层、量子点发光层、电子注入和电子传输层及阴极,所述阳极设置在所述基板上,所述阳极与所述阴极设置在所述基板的同侧,且所述阳极和所述阴极相对且间隔设置,所述空穴注入和空穴传输层、所述量子点发光层及所述电子注入和电子传输层夹设在所述阳极和所述阴极之间,所述空穴注入和空穴传输层的一面与所述阳极相连,所述量子点发光层及所述电子注入和电子传输层依次层叠设置在所述空穴注入和空穴传输层远离所述阳极的一面,且所述电子注入和电子传输层远离所述量子点发光层的一面与所述阴极相连,所述阳极用于提供空穴,所述阴极用于提供电子,所述空穴注入和空穴传输层用于将所述空穴传输至所述量子点发光层,所述电子注入和电子传输层用于将所述电子传输至所述量子点发光层,所述空穴和所述电子在所述量子点发光层中复合以发光,其中,所述电子注入和电子传输层包括水醇溶性共轭聚合物。
其中,所述水醇溶性共轭聚合物包括PFN、PFNBr、PFNSO中的任意一种或者多种。
其中,所述阳极包括氧化铟锡。
其中,所述空穴注入和空穴传输层包括PEDOT:PSS或者P型金属氧化物纳米粒子,其中,所述P型金属氧化物纳米粒子包括MoO3、NiO、V2O5及WoO3的任意一种或者多种。
其中,所述空穴注入和空穴传输层的厚度为10~15nm。
其中,所述量子点发光层的厚度为30~40nm。
其中,所述量子点发光层包括单层或者多层量子点。
其中,所述阴极包括铝,所述阴极的厚度为100~150nm。
本发明还提供了一种量子点发光器件的制备方法,所述量子点发光器件的制备方法包括:
提供基板;
在所述基板的表面上形成阳极;
在所述阳极远离所述基板的表面涂布空穴注入和空穴传输材料以形成空穴注入和空穴传输层;
在所述空穴注入和空穴传输层远离所述阳极的表面涂布量子点发光材料以形成量子点发光层;
在所述量子点发光层远离所述空穴注入和空穴传输层的表面涂布电子注入和电子传输材料以形成电子注入和电子传输层,其中,所述电子注入和电子传输层包括水醇溶性共轭聚合物;
在所述电子注入和电子传输层远离所述量子点发光层的表面沉积金属以形成阴极。
本发明还提供了一种液晶显示装置,所述液晶显示装置包括前述任一实施方式所述的量子点发光器件。
相较于现有技术,本发明的量子点发光器件的电子注入和电子传输层包括水醇溶性共轭聚合物可以溶解在极性较大的溶剂中,比如,水、甲醛等。可以避免所述电子注入和电子传输层制备成膜时对所述量子点发光层产生破坏,因此,可以提高所述量子点发光器件的性能。进一步地,所述水醇溶性共轭聚合物是无毒的,在生产过程中对环境无污染,绿色环保。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本发明一较佳实施方式的量子点发光器件的结构示意图。
图2为本发明一较佳实施方式的量子点发光器件的制备方法的流程图。
图3为本发明一较佳实施方式的液晶显示装置的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请参阅图1,图1为本发明一较佳实施方式的量子点发光器件的结构示意图。所述量子点发光器件100包括基板110、阳极120、空穴注入和空穴传输层130、量子点发光层140、电子注入和电子传输层150及阴极160。所述阳极120设置在所述基板110上,所述阳极120和所述阴极160设置在所述基板110的同侧,且所述阳极120相对且间隔设置。所述空穴注入和空穴传输层130、所述量子点发光层140及所述电子注入和电子传输层150夹设在所述阳极120和所述阴极160之间,所述空穴注入和空穴传输层130的一面与所述阳极120相连,所述量子点发光层140及所述电子注入和电子传输层150依次层叠设置在所述空穴注入和空穴传输层150远离所述阳极120的一面,且所述电子注入和电子传输层150远离所述量子点发光层140的一面与所述阴极160相连。所述阳极120用于提供空穴,所述阴极160用于提供电子,所述空穴注入和空穴传输层130用于将所述空穴传输至所述量子点发光层140,所述电子注入和电子传输层150用于将所述电子传输至所述量子点发光层140,所述空穴和所述电子在所述量子点发光层140中复合以发光,其中,所述电子注入和电子传输层150包括水醇溶性共轭聚合物。
所述水醇溶性共轭聚合物(WACPs)由共轭骨架和含有强极性基团(如胺基、二乙醇胺基、磷酸酯基、羧基、季铵盐、羧酸根、磺酸根、两性离子基团等)的侧链组成,在一实施方式中,所述水醇溶性共轭聚合物包括PFN、PFNBr、PFNSO中的任意一种或者多种。所述水醇溶性共轭聚合物作为所述电子注入和电子传输层的材料,可以溶解在极性较大的溶剂中,比如,水、甲醛等。可以避免所述电子注入和电子传输层150制备时对所述量子点发光层140产生破坏,因此,可以提高所述量子点发光器件100的性能。进一步地,所述水醇溶性共轭聚合物是无毒的,在生产过程中对环境无污染,绿色环保。
所述基板110为透明基板,所述基板110可以为但不仅限于为玻璃、塑料基板等。
所述阳极120包括氧化铟锡(ITO),所述阴极160为金属,比如铝。所述阳极120设置在所述基板110的一表面上。
所述空穴注入和空穴传输层130包括聚(3,4-乙烯二氧噻吩)-聚苯乙烯磺酸(Poly(3,4-ethylenedioxythiophene):polystyrenesulfonate,PEDOT:PSS)或者P型金属氧化物纳米粒子。所述P型金属氧化物纳米粒子包括MoO3、NiO、V2O5及WoO3的任意一种或者多种。优选地,所述空穴注入和空穴传输层130的厚度为10~15nm。
所述量子点发光层140的厚度为30~40nm。所述量子点发光层140包括单层或者多层量子点。
所述电子注入和电子传输层150的厚度可以为5~10nm。
相较于现有技术,本发明的量子点发光器件100中的电子注入和电子传输层150包括水醇溶性共轭聚合物可以溶解在极性较大的溶剂中,比如,水、甲醛等。可以避免所述电子注入和电子传输层150制备成膜时对所述量子点发光层140产生破坏,因此,可以提高所述量子点发光器件100的性能。进一步地,所述水醇溶性共轭聚合物是无毒的,在生产过程中对环境无污染,绿色环保。
下面结合图1及前面对所述量子点发光器件100的介绍,下面对本发明的量子点发光器件的制备方法进行介绍。请参阅图2,图2为本发明一较佳实施方式的量子点发光器件的制备方法的流程图。所述量子点发光器件的制备方法包括但不仅限于以下步骤。
步骤S110,提供基板110。
步骤S120,在所述基板110的表面上形成阳极120。
步骤S130,在所述阳极120远离所述基板110的表面涂布空穴注入和空穴传输材料以形成空穴注入和空穴传输层130。所述空穴注入和空穴传输层130可以由如下方式形成:采用旋涂等方法,在所述阳极120远离所述基板110的表面涂布空穴注入和空穴传输材料,以形成所述空穴注入和空穴传输层130。
步骤S140,在所述空穴注入和空穴传输层130远离所述阳极120的表面涂布量子点发光材料以形成量子点发光层140。所述量子点发光层140可以由如下方式形成:采用旋涂等方法,在所述空穴注入和空穴传输层130远离所述阳极120的表面涂布量子点发光材料,以形成所述量子点发光层140。
步骤S150,在所述量子点发光层140远离所述空穴注入和空穴传输层130的表面涂布电子注入和电子传输材料以形成电子注入和电子传输层150,其中,所述电子注入和电子传输层150包括水醇溶性共轭聚合物。所述电子注入和电子传输层150可以通过如下方式形成:采用旋涂等方法,在所述量子点发光层140远离所述空穴注入和空穴产生层130的表面涂布电子注入和电子传输材料,以形成所述电子注入和电子传输层150。
步骤S160,在所述电子注入和电子传输层150远离所述量子点发光层140的表面沉积金属以形成阴极160。所述阴极160的制备方法可以由如下方式形成:采用蒸镀等方法在所述电子注入和电子传输层150远离所述量子点发光层140的表面形成金属,比如,铝,以制备出所述阴极160。所述阴极160的厚度为100nm~150nm。
本发明还提供了一种液晶显示装置10,请参阅图3,所述液晶显示装置10包括前述介绍的量子点发光器件100,在此不再赘述。所述液晶显示装置10可以包括但不仅限于为智能手机、互联网设备(MobileInternetDevice,MID),电子书,便携式播放站(PlayStationPortable,PSP)或者个人数字助理(PersonalDigitalAssistant,PDA)等便携式电子设备,也可以为显示器等。
以上所揭露的仅为本发明一种较佳实施例而已,当然不能以此来限定本发明之权利范围,本领域普通技术人员可以理解实现上述实施例的全部或部分流程,并依本发明权利要求所作的等同变化,仍属于发明所涵盖的范围。

Claims (10)

1.一种量子点发光器件,其特征在于,所述量子点发光器件包括基板、阳极、空穴注入和空穴传输层、量子点发光层、电子注入和电子传输层及阴极,所述阳极设置在所述基板上,所述阳极与所述阴极设置在所述基板的同侧,且所述阳极和所述阴极相对且间隔设置,所述空穴注入和空穴传输层、所述量子点发光层及所述电子注入和电子传输层夹设在所述阳极和所述阴极之间,所述空穴注入和空穴传输层的一面与所述阳极相连,所述量子点发光层及所述电子注入和电子传输层依次层叠设置在所述空穴注入和空穴传输层远离所述阳极的一面,且所述电子注入和电子传输层远离所述量子点发光层的一面与所述阴极相连,所述阳极用于提供空穴,所述阴极用于提供电子,所述空穴注入和空穴传输层用于将所述空穴传输至所述量子点发光层,所述电子注入和电子传输层用于将所述电子传输至所述量子点发光层,所述空穴和所述电子在所述量子点发光层中复合以发光,其中,所述电子注入和电子传输层包括水醇溶性共轭聚合物。
2.如权利要求1所述的量子点发光器件,其特征在于,所述水醇溶性共轭聚合物包括PFN、PFNBr、PFNSO中的任意一种或者多种。
3.如权利要求1所述的量子点发光器件,其特征在于,所述阳极包括氧化铟锡。
4.如权利要求1所述的量子点发光器件,其特征在于,所述空穴注入和空穴传输层包括PEDOT:PSS或者P型金属氧化物纳米粒子,其中,所述P型金属氧化物纳米粒子包括MoO3、NiO、V2O5及WoO3的任意一种或者多种。
5.如权利要求1所述的量子点发光器件,其特征在于,所述空穴注入和空穴传输层的厚度为10~15nm。
6.如权利要求1所述的量子点发光器件,其特征在于,所述量子点发光层的厚度为30~40nm。
7.如权利要求1所述的量子点发光器件,其特征在于,所述量子点发光层包括单层或者多层量子点。
8.如权利要求1所述的量子点发光器件,其特征在于,所述阴极包括铝,所述阴极的厚度为100~150nm。
9.一种量子点发光器件的制备方法,其特征在于,所述量子点发光器件的制备方法包括:
提供基板;
在所述基板的表面上形成阳极;
在所述阳极远离所述基板的表面涂布空穴注入和空穴传输材料以形成空穴注入和空穴传输层;
在所述空穴注入和空穴传输层远离所述阳极的表面涂布量子点发光材料以形成量子点发光层;
在所述量子点发光层远离所述空穴注入和空穴传输层的表面涂布电子注入和电子传输材料以形成电子注入和电子传输层,其中,所述电子注入和电子传输层包括水醇溶性共轭聚合物;
在所述电子注入和电子传输层远离所述量子点发光层的表面沉积金属以形成阴极。
10.一种液晶显示装置,其特征在于,所述液晶显示装置包括如权利要求1至8任意一项所述的量子点发光器件。
CN201610048567.5A 2016-01-25 2016-01-25 量子点发光器件及其制备方法及液晶显示装置 Pending CN105470387A (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201610048567.5A CN105470387A (zh) 2016-01-25 2016-01-25 量子点发光器件及其制备方法及液晶显示装置
PCT/CN2016/074065 WO2017128457A1 (zh) 2016-01-25 2016-02-18 量子点发光器件及其制备方法及液晶显示装置
US15/033,623 US10050220B2 (en) 2016-01-25 2016-02-18 Quantum dot light emitting element including water/alcohol soluble conjugated polymer based electron injection/electron transporting layer, manufacturing method thereof and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610048567.5A CN105470387A (zh) 2016-01-25 2016-01-25 量子点发光器件及其制备方法及液晶显示装置

Publications (1)

Publication Number Publication Date
CN105470387A true CN105470387A (zh) 2016-04-06

Family

ID=55607898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610048567.5A Pending CN105470387A (zh) 2016-01-25 2016-01-25 量子点发光器件及其制备方法及液晶显示装置

Country Status (3)

Country Link
US (1) US10050220B2 (zh)
CN (1) CN105470387A (zh)
WO (1) WO2017128457A1 (zh)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017128552A1 (zh) * 2016-01-25 2017-08-03 深圳市华星光电技术有限公司 量子点发光器件及其制备方法及液晶显示装置
CN107046107A (zh) * 2016-12-13 2017-08-15 Tcl集团股份有限公司 处理pedot:pss的方法、qled及制备方法
CN110165066A (zh) * 2019-06-10 2019-08-23 南昌航空大学 一种量子点发光二极管及其制备方法
CN110739408A (zh) * 2018-07-18 2020-01-31 Tcl集团股份有限公司 量子点发光二极管及其制备方法
CN110739404A (zh) * 2018-07-18 2020-01-31 Tcl集团股份有限公司 量子点发光二极管及其制备方法
WO2020108070A1 (zh) * 2018-11-26 2020-06-04 Tcl科技集团股份有限公司 一种量子点发光二极管的制备方法
CN112086563A (zh) * 2019-06-12 2020-12-15 Tcl集团股份有限公司 量子点发光二极管及其制备方法
CN113196880A (zh) * 2018-12-10 2021-07-30 夏普株式会社 发光元件、发光设备
CN114267799A (zh) * 2020-09-16 2022-04-01 Tcl科技集团股份有限公司 一种量子点发光二极管及其制备方法
CN114267814A (zh) * 2020-09-16 2022-04-01 Tcl科技集团股份有限公司 一种量子点发光二极管及其制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108767126B (zh) * 2018-05-28 2020-07-17 京东方科技集团股份有限公司 一种qled器件及其制作方法
KR20210034953A (ko) 2019-09-23 2021-03-31 삼성전자주식회사 발광소자, 발광소자의 제조 방법과 표시 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201985178U (zh) * 2010-10-09 2011-09-21 中国计量学院 一种光子晶体结构量子点有机发光二极管发光装置
CN102263205A (zh) * 2011-07-25 2011-11-30 华南理工大学 可交联共轭聚合物材料在倒装有机光电器件中的应用
WO2013103440A1 (en) * 2012-01-06 2013-07-11 Qd Vision, Inc. Light emitting device including blue emitting quantum dots and method
CN103427030A (zh) * 2012-05-31 2013-12-04 上海理工大学 量子点白光发光器件
CN103972416A (zh) * 2014-05-15 2014-08-06 华北电力大学 基于反向结构的半导体量子点发光二极管及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100224859A1 (en) * 2007-10-16 2010-09-09 Hcf Partners, Lp Organic Light-Emitting Diodes with Electrophosphorescent-Coated Emissive Quantum Dots
WO2010048319A1 (en) 2008-10-21 2010-04-29 The Regents Of The University Of California Cationic conjugated polyelectrolyte electron injection layers altered with counter anions having oxidative properties
KR101173105B1 (ko) * 2010-05-24 2012-08-14 한국과학기술원 유기발광소자
KR20150033198A (ko) 2013-09-23 2015-04-01 삼성디스플레이 주식회사 양자점 발광 소자 및 표시 장치
CN105185919B (zh) * 2015-09-02 2019-01-18 Tcl集团股份有限公司 混合型qled及其制备方法
CN105140361B (zh) 2015-09-11 2019-08-27 Tcl集团股份有限公司 量子点发光二极管及其制备方法
CN105206761B (zh) 2015-09-25 2017-11-17 南方科技大学 一种发光二极管及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201985178U (zh) * 2010-10-09 2011-09-21 中国计量学院 一种光子晶体结构量子点有机发光二极管发光装置
CN102263205A (zh) * 2011-07-25 2011-11-30 华南理工大学 可交联共轭聚合物材料在倒装有机光电器件中的应用
WO2013103440A1 (en) * 2012-01-06 2013-07-11 Qd Vision, Inc. Light emitting device including blue emitting quantum dots and method
CN103427030A (zh) * 2012-05-31 2013-12-04 上海理工大学 量子点白光发光器件
CN103972416A (zh) * 2014-05-15 2014-08-06 华北电力大学 基于反向结构的半导体量子点发光二极管及其制备方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MICHAEL J. HARTEL等: "Interlayers for Efficient Electron Injection in Polymer LEDs", 《JOURNAL OF DISPLAY TECHNOLOGY》 *
WEI JIANG等: "Alcohol-Soluble Electron-Transport Small Molecule for Fully Solution-Processed Multilayer White Electrophosphorescent Devices", 《ORGANIC LETTERS》 *
YU-YING LAI等: "Interface Engineering to Enhance the Efficiency of Conventional Polymer Solar Cells by Alcohol-/Water-Soluble C60 Materials Doped with Alkali Carbonates", 《APPLIED MATERIALS & INTERFACES》 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017128552A1 (zh) * 2016-01-25 2017-08-03 深圳市华星光电技术有限公司 量子点发光器件及其制备方法及液晶显示装置
US10115921B2 (en) 2016-01-25 2018-10-30 Shenzhen China Star Optoelectronics Technology Co., Ltd Quantum dot light emitting element, method of fabricating the same, and liquid-crystal display
CN107046107A (zh) * 2016-12-13 2017-08-15 Tcl集团股份有限公司 处理pedot:pss的方法、qled及制备方法
CN110739404B (zh) * 2018-07-18 2021-04-02 Tcl科技集团股份有限公司 量子点发光二极管及其制备方法
CN110739408A (zh) * 2018-07-18 2020-01-31 Tcl集团股份有限公司 量子点发光二极管及其制备方法
CN110739404A (zh) * 2018-07-18 2020-01-31 Tcl集团股份有限公司 量子点发光二极管及其制备方法
CN110739408B (zh) * 2018-07-18 2021-06-29 Tcl科技集团股份有限公司 量子点发光二极管及其制备方法
US11485908B2 (en) 2018-07-18 2022-11-01 Tcl Technology Group Corporation Quantum dot light-emitting diode and method for fabricating the same
WO2020108070A1 (zh) * 2018-11-26 2020-06-04 Tcl科技集团股份有限公司 一种量子点发光二极管的制备方法
CN113196880A (zh) * 2018-12-10 2021-07-30 夏普株式会社 发光元件、发光设备
CN110165066A (zh) * 2019-06-10 2019-08-23 南昌航空大学 一种量子点发光二极管及其制备方法
CN112086563A (zh) * 2019-06-12 2020-12-15 Tcl集团股份有限公司 量子点发光二极管及其制备方法
CN114267799A (zh) * 2020-09-16 2022-04-01 Tcl科技集团股份有限公司 一种量子点发光二极管及其制备方法
CN114267814A (zh) * 2020-09-16 2022-04-01 Tcl科技集团股份有限公司 一种量子点发光二极管及其制备方法
CN114267814B (zh) * 2020-09-16 2023-12-26 Tcl科技集团股份有限公司 一种量子点发光二极管及其制备方法
CN114267799B (zh) * 2020-09-16 2024-02-20 Tcl科技集团股份有限公司 一种量子点发光二极管及其制备方法

Also Published As

Publication number Publication date
WO2017128457A1 (zh) 2017-08-03
US20180047923A1 (en) 2018-02-15
US10050220B2 (en) 2018-08-14

Similar Documents

Publication Publication Date Title
CN105470387A (zh) 量子点发光器件及其制备方法及液晶显示装置
CN105679955A (zh) 量子点发光器件及其制备方法及液晶显示装置
CN105655495A (zh) 量子点发光器件及其制备方法及液晶显示装置
KR101173105B1 (ko) 유기발광소자
CN1841812B (zh) 有机电激发光元件
KR101366655B1 (ko) 유기 전자 장치들의 처리 및 성능을 개선하기 위한중성화된 애노드 버퍼층들
US9740073B2 (en) Complex display device
CN105489782A (zh) 量子点发光器件及量子点发光器件的制备方法
CN105470408A (zh) 用于打印成膜工艺的凹槽结构及其制作方法
CN105679954A (zh) 量子点发光器件及其制备方法及液晶显示装置
US9601711B2 (en) Composition for forming transparent electrode, transparent electrode, organic electronic element, and method for manufacturing transparent electrode
CN108461651A (zh) 像素结构及其制备方法、显示面板
JPWO2017010124A1 (ja) 有機薄膜積層体及び有機エレクトロルミネッセンス素子
US20150090336A1 (en) Organic-inorganic hybrid light emitting device, method for manufacturing the same, and organic-inorganic hybrid solar cell
CN105355798A (zh) 有机电致发光器件及其制作方法、显示装置
CN104617235A (zh) 一种有机电致发光显示器件、其制作方法及显示装置
CN101222026B (zh) 有机发光二极管显示装置及其制造方法
JP2017022063A (ja) 有機薄膜積層体の製造方法及び有機エレクトロルミネッセンス素子の製造方法
WO2021093027A1 (zh) 一种有机发光器件
CN110643346A (zh) 量子点的配位方法、量子点以及显示装置
CN102403462A (zh) 有机发光二极管及其制造方法
CN108400250A (zh) 基于高功函数金属阴极的有机电致发光器件及其制备方法
CN103943783B (zh) 一种有机发光器件及显示装置
CN205264760U (zh) 有机电致发光器件和显示装置
CN105161626A (zh) 一种掺杂的纳米锡化物有机发光器件

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160406